Proline Prosonic Flow 91 Wiring
Endress+Hauser 27
4.5 Post-connection check
Perform the following checks after completing electrical installation of the measuring device:
Device condition and specifications Notes
Are cables or the device damaged (visual inspection)? -
Electrical connection Notes
Does the supply voltage match the specifications on the nameplate? • 85 to 250 V AC (50 to 60 Hz)
• 20 to 28 V AC (50 to 60 Hz),
10 to 40 V DC
Do the cables comply with the specifications? → ä 23
Do the cables have adequate strain relief? -
Is the cable type route completely isolated?
Without loops and crossovers?
-
Are the power supply and signal cables correctly connected? See the wiring diagram inside
the cover of the terminal
compartment
Are all screw terminals firmly tightened? -
Have the measures for grounding/potential equalization been correctly
implemented?
→ ä 26
Are all cable entries installed, firmly tightened and correctly sealed? → ä 26
Are all housing covers installed and firmly tightened? -
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